webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 509 insertions, 0 deletions

diff --git a/Source/WebInspectorUI/UserInterface/Models/Frame.js b/Source/WebInspectorUI/UserInterface/Models/Frame.js
new file mode 100644
index 000000000..d32333a54
--- /dev/null
+++ b/Source/WebInspectorUI/UserInterface/Models/Frame.js
@@ -0,0 +1,509 @@
+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+WebInspector.Frame = class Frame extends WebInspector.Object
+{
+    constructor(id, name, securityOrigin, loaderIdentifier, mainResource)
+    {
+        super();
+
+        console.assert(id);
+
+        this._id = id;
+
+        this._name = null;
+        this._securityOrigin = null;
+
+        this._resourceCollection = new WebInspector.ResourceCollection;
+        this._provisionalResourceCollection = new WebInspector.ResourceCollection;
+        this._extraScriptCollection = new WebInspector.Collection(WebInspector.Collection.TypeVerifier.Script);
+
+        this._childFrameCollection = new WebInspector.Collection(WebInspector.Collection.TypeVerifier.Frame);
+        this._childFrameIdentifierMap = new Map;
+
+        this._parentFrame = null;
+        this._isMainFrame = false;
+
+        this._domContentReadyEventTimestamp = NaN;
+        this._loadEventTimestamp = NaN;
+
+        this._executionContextList = new WebInspector.ExecutionContextList;
+
+        this.initialize(name, securityOrigin, loaderIdentifier, mainResource);
+    }
+
+    // Public
+
+    get resourceCollection() { return this._resourceCollection; }
+    get extraScriptCollection() { return this._extraScriptCollection; }
+    get childFrameCollection() { return this._childFrameCollection; }
+
+    initialize(name, securityOrigin, loaderIdentifier, mainResource)
+    {
+        console.assert(loaderIdentifier);
+        console.assert(mainResource);
+
+        var oldName = this._name;
+        var oldSecurityOrigin = this._securityOrigin;
+        var oldMainResource = this._mainResource;
+
+        this._name = name || null;
+        this._securityOrigin = securityOrigin || null;
+        this._loaderIdentifier = loaderIdentifier || null;
+
+        this._mainResource = mainResource;
+        this._mainResource._parentFrame = this;
+
+        if (oldMainResource && this._mainResource !== oldMainResource)
+            this._disassociateWithResource(oldMainResource);
+
+        this.removeAllResources();
+        this.removeAllChildFrames();
+        this.clearExecutionContexts();
+        this.clearProvisionalLoad();
+
+        if (this._mainResource !== oldMainResource)
+            this._dispatchMainResourceDidChangeEvent(oldMainResource);
+
+        if (this._securityOrigin !== oldSecurityOrigin)
+            this.dispatchEventToListeners(WebInspector.Frame.Event.SecurityOriginDidChange, {oldSecurityOrigin});
+
+        if (this._name !== oldName)
+            this.dispatchEventToListeners(WebInspector.Frame.Event.NameDidChange, {oldName});
+    }
+
+    startProvisionalLoad(provisionalMainResource)
+    {
+        console.assert(provisionalMainResource);
+
+        this._provisionalMainResource = provisionalMainResource;
+        this._provisionalMainResource._parentFrame = this;
+
+        this._provisionalLoaderIdentifier = provisionalMainResource.loaderIdentifier;
+
+        this._provisionalResourceCollection.clear();
+
+        this.dispatchEventToListeners(WebInspector.Frame.Event.ProvisionalLoadStarted);
+    }
+
+    commitProvisionalLoad(securityOrigin)
+    {
+        console.assert(this._provisionalMainResource);
+        console.assert(this._provisionalLoaderIdentifier);
+        if (!this._provisionalLoaderIdentifier)
+            return;
+
+        var oldSecurityOrigin = this._securityOrigin;
+        var oldMainResource = this._mainResource;
+
+        this._securityOrigin = securityOrigin || null;
+        this._loaderIdentifier = this._provisionalLoaderIdentifier;
+        this._mainResource = this._provisionalMainResource;
+
+        this._domContentReadyEventTimestamp = NaN;
+        this._loadEventTimestamp = NaN;
+
+        if (oldMainResource && this._mainResource !== oldMainResource)
+            this._disassociateWithResource(oldMainResource);
+
+        this.removeAllResources();
+
+        this._resourceCollection = this._provisionalResourceCollection;
+        this._provisionalResourceCollection = new WebInspector.ResourceCollection;
+        this._extraScriptCollection.clear();
+
+        this.clearExecutionContexts(true);
+        this.clearProvisionalLoad(true);
+        this.removeAllChildFrames();
+
+        this.dispatchEventToListeners(WebInspector.Frame.Event.ProvisionalLoadCommitted);
+
+        if (this._mainResource !== oldMainResource)
+            this._dispatchMainResourceDidChangeEvent(oldMainResource);
+
+        if (this._securityOrigin !== oldSecurityOrigin)
+            this.dispatchEventToListeners(WebInspector.Frame.Event.SecurityOriginDidChange, {oldSecurityOrigin});
+    }
+
+    clearProvisionalLoad(skipProvisionalLoadClearedEvent)
+    {
+        if (!this._provisionalLoaderIdentifier)
+            return;
+
+        this._provisionalLoaderIdentifier = null;
+        this._provisionalMainResource = null;
+        this._provisionalResourceCollection.clear();
+
+        if (!skipProvisionalLoadClearedEvent)
+            this.dispatchEventToListeners(WebInspector.Frame.Event.ProvisionalLoadCleared);
+    }
+
+    get id()
+    {
+        return this._id;
+    }
+
+    get loaderIdentifier()
+    {
+        return this._loaderIdentifier;
+    }
+
+    get provisionalLoaderIdentifier()
+    {
+        return this._provisionalLoaderIdentifier;
+    }
+
+    get name()
+    {
+        return this._name;
+    }
+
+    get securityOrigin()
+    {
+        return this._securityOrigin;
+    }
+
+    get url()
+    {
+        return this._mainResource._url;
+    }
+
+    get domTree()
+    {
+        if (!this._domTree)
+            this._domTree = new WebInspector.DOMTree(this);
+        return this._domTree;
+    }
+
+    get pageExecutionContext()
+    {
+        return this._executionContextList.pageExecutionContext;
+    }
+
+    get executionContextList()
+    {
+        return this._executionContextList;
+    }
+
+    clearExecutionContexts(committingProvisionalLoad)
+    {
+        if (this._executionContextList.contexts.length) {
+            let contexts = this._executionContextList.contexts.slice();
+            this._executionContextList.clear();
+            this.dispatchEventToListeners(WebInspector.Frame.Event.ExecutionContextsCleared, {committingProvisionalLoad: !!committingProvisionalLoad, contexts});
+        }
+    }
+
+    addExecutionContext(context)
+    {
+        var changedPageContext = this._executionContextList.add(context);
+
+        if (changedPageContext)
+            this.dispatchEventToListeners(WebInspector.Frame.Event.PageExecutionContextChanged);
+    }
+
+    get mainResource()
+    {
+        return this._mainResource;
+    }
+
+    get provisionalMainResource()
+    {
+        return this._provisionalMainResource;
+    }
+
+    get parentFrame()
+    {
+        return this._parentFrame;
+    }
+
+    get domContentReadyEventTimestamp()
+    {
+        return this._domContentReadyEventTimestamp;
+    }
+
+    get loadEventTimestamp()
+    {
+        return this._loadEventTimestamp;
+    }
+
+    isMainFrame()
+    {
+        return this._isMainFrame;
+    }
+
+    markAsMainFrame()
+    {
+        this._isMainFrame = true;
+    }
+
+    unmarkAsMainFrame()
+    {
+        this._isMainFrame = false;
+    }
+
+    markDOMContentReadyEvent(timestamp)
+    {
+        this._domContentReadyEventTimestamp = timestamp || NaN;
+    }
+
+    markLoadEvent(timestamp)
+    {
+        this._loadEventTimestamp = timestamp || NaN;
+    }
+
+    isDetached()
+    {
+        var frame = this;
+        while (frame) {
+            if (frame.isMainFrame())
+                return false;
+            frame = frame.parentFrame;
+        }
+
+        return true;
+    }
+
+    childFrameForIdentifier(frameId)
+    {
+        return this._childFrameIdentifierMap.get(frameId) || null;
+    }
+
+    addChildFrame(frame)
+    {
+        console.assert(frame instanceof WebInspector.Frame);
+        if (!(frame instanceof WebInspector.Frame))
+            return;
+
+        if (frame._parentFrame === this)
+            return;
+
+        if (frame._parentFrame)
+            frame._parentFrame.removeChildFrame(frame);
+
+        this._childFrameCollection.add(frame);
+        this._childFrameIdentifierMap.set(frame._id, frame);
+
+        frame._parentFrame = this;
+
+        this.dispatchEventToListeners(WebInspector.Frame.Event.ChildFrameWasAdded, {childFrame: frame});
+    }
+
+    removeChildFrame(frameOrFrameId)
+    {
+        console.assert(frameOrFrameId);
+
+        let childFrameId = frameOrFrameId;
+        if (childFrameId instanceof WebInspector.Frame)
+            childFrameId = frameOrFrameId._id;
+
+        // Fetch the frame by id even if we were passed a WebInspector.Frame.
+        // We do this incase the WebInspector.Frame is a new object that isn't
+        // in _childFrameCollection, but the id is a valid child frame.
+        let childFrame = this.childFrameForIdentifier(childFrameId);
+        console.assert(childFrame instanceof WebInspector.Frame);
+        if (!(childFrame instanceof WebInspector.Frame))
+            return;
+
+        console.assert(childFrame.parentFrame === this);
+
+        this._childFrameCollection.remove(childFrame);
+        this._childFrameIdentifierMap.delete(childFrame._id);
+
+        childFrame._detachFromParentFrame();
+
+        this.dispatchEventToListeners(WebInspector.Frame.Event.ChildFrameWasRemoved, {childFrame});
+    }
+
+    removeAllChildFrames()
+    {
+        this._detachFromParentFrame();
+
+        for (let childFrame of this._childFrameCollection.items)
+            childFrame.removeAllChildFrames();
+
+        this._childFrameCollection.clear();
+        this._childFrameIdentifierMap.clear();
+
+        this.dispatchEventToListeners(WebInspector.Frame.Event.AllChildFramesRemoved);
+    }
+
+    resourceForURL(url, recursivelySearchChildFrames)
+    {
+        var resource = this._resourceCollection.resourceForURL(url);
+        if (resource)
+            return resource;
+
+        // Check the main resources of the child frames for the requested URL.
+        for (let childFrame of this._childFrameCollection.items) {
+            resource = childFrame.mainResource;
+            if (resource.url === url)
+                return resource;
+        }
+
+        if (!recursivelySearchChildFrames)
+            return null;
+
+        // Recursively search resources of child frames.
+        for (let childFrame of this._childFrameCollection.items) {
+            resource = childFrame.resourceForURL(url, true);
+            if (resource)
+                return resource;
+        }
+
+        return null;
+    }
+
+    resourceCollectionForType(type)
+    {
+        return this._resourceCollection.resourceCollectionForType(type);
+    }
+
+    addResource(resource)
+    {
+        console.assert(resource instanceof WebInspector.Resource);
+        if (!(resource instanceof WebInspector.Resource))
+            return;
+
+        if (resource.parentFrame === this)
+            return;
+
+        if (resource.parentFrame)
+            resource.parentFrame.remove(resource);
+
+        this._associateWithResource(resource);
+
+        if (this._isProvisionalResource(resource)) {
+            this._provisionalResourceCollection.add(resource);
+            this.dispatchEventToListeners(WebInspector.Frame.Event.ProvisionalResourceWasAdded, {resource});
+        } else {
+            this._resourceCollection.add(resource);
+            this.dispatchEventToListeners(WebInspector.Frame.Event.ResourceWasAdded, {resource});
+        }
+    }
+
+    removeResource(resource)
+    {
+        // This does not remove provisional resources.
+
+        this._resourceCollection.remove(resource);
+
+        this._disassociateWithResource(resource);
+
+        this.dispatchEventToListeners(WebInspector.Frame.Event.ResourceWasRemoved, {resource});
+    }
+
+    removeAllResources()
+    {
+        // This does not remove provisional resources, use clearProvisionalLoad for that.
+
+        let resources = this._resourceCollection.items;
+        if (!resources.size)
+            return;
+
+        for (let resource of resources)
+            this._disassociateWithResource(resource);
+
+        this._resourceCollection.clear();
+
+        this.dispatchEventToListeners(WebInspector.Frame.Event.AllResourcesRemoved);
+    }
+
+    addExtraScript(script)
+    {
+        this._extraScriptCollection.add(script);
+
+        this.dispatchEventToListeners(WebInspector.Frame.Event.ExtraScriptAdded, {script});
+    }
+
+    saveIdentityToCookie(cookie)
+    {
+        cookie[WebInspector.Frame.MainResourceURLCookieKey] = this.mainResource.url.hash;
+        cookie[WebInspector.Frame.IsMainFrameCookieKey] = this._isMainFrame;
+    }
+
+    // Private
+
+    _detachFromParentFrame()
+    {
+        if (this._domTree) {
+            this._domTree.disconnect();
+            this._domTree = null;
+        }
+
+        this._parentFrame = null;
+    }
+
+    _isProvisionalResource(resource)
+    {
+        return resource.loaderIdentifier && this._provisionalLoaderIdentifier && resource.loaderIdentifier === this._provisionalLoaderIdentifier;
+    }
+
+    _associateWithResource(resource)
+    {
+        console.assert(!resource._parentFrame);
+        if (resource._parentFrame)
+            return;
+
+        resource._parentFrame = this;
+    }
+
+    _disassociateWithResource(resource)
+    {
+        console.assert(resource.parentFrame === this);
+        if (resource.parentFrame !== this)
+            return;
+
+        resource._parentFrame = null;
+    }
+
+    _dispatchMainResourceDidChangeEvent(oldMainResource)
+    {
+        this.dispatchEventToListeners(WebInspector.Frame.Event.MainResourceDidChange, {oldMainResource});
+    }
+};
+
+WebInspector.Frame.Event = {
+    NameDidChange: "frame-name-did-change",
+    SecurityOriginDidChange: "frame-security-origin-did-change",
+    MainResourceDidChange: "frame-main-resource-did-change",
+    ProvisionalLoadStarted: "frame-provisional-load-started",
+    ProvisionalLoadCommitted: "frame-provisional-load-committed",
+    ProvisionalLoadCleared: "frame-provisional-load-cleared",
+    ProvisionalResourceWasAdded: "frame-provisional-resource-was-added",
+    ResourceWasAdded: "frame-resource-was-added",
+    ResourceWasRemoved: "frame-resource-was-removed",
+    AllResourcesRemoved: "frame-all-resources-removed",
+    ExtraScriptAdded: "frame-extra-script-added",
+    ChildFrameWasAdded: "frame-child-frame-was-added",
+    ChildFrameWasRemoved: "frame-child-frame-was-removed",
+    AllChildFramesRemoved: "frame-all-child-frames-removed",
+    PageExecutionContextChanged: "frame-page-execution-context-changed",
+    ExecutionContextsCleared: "frame-execution-contexts-cleared"
+};
+
+WebInspector.Frame.TypeIdentifier = "Frame";
+WebInspector.Frame.MainResourceURLCookieKey = "frame-main-resource-url";
+WebInspector.Frame.IsMainFrameCookieKey = "frame-is-main-frame";